diff options
Diffstat (limited to 'drivers/base/sys.c')
| -rw-r--r-- | drivers/base/sys.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/base/sys.c b/drivers/base/sys.c index 3236b434b964..79a9ae5238ac 100644 --- a/drivers/base/sys.c +++ b/drivers/base/sys.c @@ -131,6 +131,8 @@ static struct kset *system_kset; int sysdev_class_register(struct sysdev_class *cls) { + int retval; + pr_debug("Registering sysdev class '%s'\n", cls->name); INIT_LIST_HEAD(&cls->drivers); @@ -138,7 +140,11 @@ int sysdev_class_register(struct sysdev_class *cls) cls->kset.kobj.parent = &system_kset->kobj; cls->kset.kobj.ktype = &ktype_sysdev_class; cls->kset.kobj.kset = system_kset; - kobject_set_name(&cls->kset.kobj, cls->name); + + retval = kobject_set_name(&cls->kset.kobj, "%s", cls->name); + if (retval) + return retval; + return kset_register(&cls->kset); } @@ -343,11 +349,15 @@ static void __sysdev_resume(struct sys_device *dev) /* First, call the class-specific one */ if (cls->resume) cls->resume(dev); + WARN_ONCE(!irqs_disabled(), + "Interrupts enabled after %pF\n", cls->resume); /* Call auxillary drivers next. */ list_for_each_entry(drv, &cls->drivers, entry) { if (drv->resume) drv->resume(dev); + WARN_ONCE(!irqs_disabled(), + "Interrupts enabled after %pF\n", drv->resume); } } @@ -377,6 +387,9 @@ int sysdev_suspend(pm_message_t state) if (ret) return ret; + WARN_ONCE(!irqs_disabled(), + "Interrupts enabled while suspending system devices\n"); + pr_debug("Suspending System Devices\n"); list_for_each_entry_reverse(cls, &system_kset->list, kset.kobj.entry) { @@ -393,6 +406,9 @@ int sysdev_suspend(pm_message_t state) if (ret) goto aux_driver; } + WARN_ONCE(!irqs_disabled(), + "Interrupts enabled after %pF\n", + drv->suspend); } /* Now call the generic one */ @@ -400,6 +416,9 @@ int sysdev_suspend(pm_message_t state) ret = cls->suspend(sysdev, state); if (ret) goto cls_driver; + WARN_ONCE(!irqs_disabled(), + "Interrupts enabled after %pF\n", + cls->suspend); } } } @@ -452,6 +471,9 @@ int sysdev_resume(void) { struct sysdev_class *cls; + WARN_ONCE(!irqs_disabled(), + "Interrupts enabled while resuming system devices\n"); + pr_debug("Resuming System Devices\n"); list_for_each_entry(cls, &system_kset->list, kset.kobj.entry) { |